2 definitions by The Party Police

1. any thing or person which affects the senses negatively.

2. a process of wetting multiple fingers, forming both hands to resemble an oyster shell, and placing said "oyster shell" to another's face, while inserting both index fingers into the victim's ear canals. A.K.A. the double wet-willy.
1. What a foul oyster.

2. Andy just gave Mario another foul oyster!
by The Party Police November 21, 2007
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the excess skin that hangs loosely from the gluteus maximus, typically forming on senior citizens between the ages of sixty and death
Mike: Did you see that lady's buttsack?

Andy: Dude, that's my grandma.
by The Party Police November 21, 2007
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